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B12 CGM

1991 Porsche 911

Blue Petrol 3600cc
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MOT Status

Valid
Expires19 Oct 2026
Tests22 (19 pass, 3 fail)
Pass rate86.4%

Mileage

85,060 mi
Last recorded85,060 miles
Recorded on30 Sep 2025
Typical for 1991 Porsche 91193,444 mi

Below or average mileage for this year

4 checks still locked for this Porsche
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationB12 CGM
MakePorsche
Model911
Year1991
ColourBlue
Fuel typePetrol
Engine3,600cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

19 pass 3 fail
Pass 30 Sep 2025 85,060 miles

Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Pass 9 Oct 2024 84,922 miles

Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Fail 9 Oct 2024 84,922 miles

Offside Front Position lamp not working (4.2.1 (a) (ii))

Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Pass 20 Oct 2023 83,922 miles

Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Pass 18 Oct 2022 83,325 miles

Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Fail 18 Oct 2022 83,325 miles

Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Windscreen washer provides insufficient washer liquid (3.5 (a))

Pass 27 Aug 2021 82,618 miles

Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Pass 11 Sep 2020 81,731 miles

Nearside Rear Tyre worn close to legal limit/worn on edge on legal limit (5.2.3 (e))

Offside Rear Tyre worn close to legal limit/worn on edge 3.0 mm approx (5.2.3 (e))

Pass 17 Apr 2019 80,831 miles

Nearside Rear Tyre worn close to legal limit/worn on edge 2.5 mm approx (5.2.3 (e))

Offside Rear Tyre worn close to legal limit/worn on edge 3.0 mm approx (5.2.3 (e))

Pass 6 Apr 2018 79,734 miles

Rear Tyre worn close to the legal limit BOTH SIDES (4.1.E.1)

Fail 6 Apr 2018 79,734 miles

Offside Front Front position lamp(s) not working (1.1.A.3b)

Offside Rear Stop lamp not working (1.2.1b)

Rear Tyre worn close to the legal limit BOTH SIDES (4.1.E.1)

Pass 15 Dec 2016 78,889 miles

Offside Rear wheel bearing has slight play (2.6.2)

Pass 25 Jan 2016 77,870 miles

Offside Rear Rear wheel bearing has slight play (2.6.2)

Pass 13 Nov 2014 76,842 miles
Pass 11 Nov 2013 74,077 miles
Pass 26 Nov 2012 73,590 miles

Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Pass 24 Nov 2011 71,296 miles

OIL LEAK FROM ENGINE AREA

Pass 29 Nov 2010 69,379 miles

Oil leak

Pass 24 Nov 2009 68,218 miles
Pass 21 Nov 2008 65,864 miles

Nearside Rear Tyre worn close to the legal limit (4.1.E.1)

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Pass 20 Nov 2007 63,096 miles

Nearside Rear Tyre worn close to the legal limit (4.1.E.1)

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Pass 17 Mar 2006 58,798 miles

How Reliable is the Porsche 911?

Based on 977,057 MOT tests across 73,061 vehicles.

85.2%
Pass Rate
1,867
Miles/Year
47
Year Lifespan
73,061
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 20,869
position lamp(s) not working 7,590
Windscreen washer provides insufficient washer liquid 6,439
Headlamp aim too high 6,432
Brake pipe excessively corroded 5,466
Full Porsche 911 reliability report

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B12 CGM is a 1991 Porsche 911 in Blue with a 3,600cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 86.4%.

Across all 1991 Porsche 911 models, the average MOT pass rate is 81.3% with a typical mileage of 93,444 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Porsche 911 fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 20,869 recorded failures. If you're considering buying B12 CGM, it's worth having these areas checked by a mechanic before committing.

The Porsche 911 typically stays on UK roads for around 47 years. At 35 years old, this Porsche 911 is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of B12 CGM?

You can check the full history of B12 CGM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was B12 CGM registered?

B12 CGM is a 1991 Porsche 911, first registered on 1 August 1991.

Is B12 CGM safe to buy?

The MOT history for B12 CGM shows 22 tests with a 86.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does B12 CGM have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on B12 CGM. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.